2-1
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
SECTION 2. ELECTRICAL PART
TROUBLESHOOTING GUIDE
1. Power Supply Circuit
YES
NO
Check power plug and power
supply circuit.
NO
Check power supply circuit.
NO
Check laser circuit.
Check focus circuit.
Check disc.
NO
Check tracking servo circuit.
NO
Check audio circuit.
Is the Digitron on correctly?
YES
Is power on?
YES
Does initial read work?
YES
Does it play?
YES
Does it output
audio?
YES
YES
Turn power on.
Insert power cord.
OK
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